02-20-2020 01:34 PM
Hello,
I have a SIP trunk between CUCM and Xmedius Fax server that has shown stable for over two days (Full Service in CUCM). However, the application logs in Syslog viewer show the SIP trunk alarms repeatedly coming in on one subscriber and completely OOS on the other subscriber. The Publisher has it bouncing but not as much as the first subscriber. I am unable to locate any information on the protocols from each node to report back the status of Full Service. If each node is using Options Ping to check the status, which is responsible for the status Full Service. I have Run On All Nodes checked, but I am not sure this has anything to do with it. I ran a ping from the CLI on the second subscriber that is reporting it OOS, but I ping fine. Solarwinds shows the trunk state from that subscriber is Unknown. It seems each server is getting different results.
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02-27-2020 11:09 AM
Thanks for your assistance with this. I ended up restarting the Call Manager service on that node and now the SIP trunk is showing up and stable for nearly 24 hours.
02-20-2020 02:25 PM
02-21-2020 05:40 AM
I have all of the nodes defined in XMedius the same and their support has looked them over. Can you explain how to look for the OPTION request/response in RTMT?
02-21-2020 01:30 PM
02-24-2020 09:48 AM
Thanks for all your help on this issue. I was able to collect some traces and pulled them up in Translator X. I see good outgoing and incoming TCP messages for one of my subscribers and the publisher, but the other subscriber shows no attempts on SIP OPTIONS. That would explain why RTMT shows that node down for several days. I am going to try and capture a time when one of these other two drop service. Do you know any reason why there would be no SIP TCP chatter from the one subscriber? I have even looked into the firewall rules on each node and they appear the same, but I am not experienced with them at all. The default SIP signaling source port is 5060 for XMedius.
139 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:5060 flags:0x02/0x02 limit: up to 35/sec burst 7500 mode srcip-dstport
140 LOG tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:5060 flags:0x02/0x02 limit: avg 1/min burst 1 LOG flags 0 level 4 prefix ` Exceeded hashlimit '
141 DROP tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:5060 flags:0x02/0x02
142 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:5060 limit: up to 1000/sec burst 10000 mode srcip-dstport
143 LOG udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:5060 limit: avg 1/min burst 1 LOG flags 0 level 4 prefix ` Exceeded hashlimit '
144 DROP udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:5060
02-25-2020 08:30 PM
02-27-2020 11:09 AM
Thanks for your assistance with this. I ended up restarting the Call Manager service on that node and now the SIP trunk is showing up and stable for nearly 24 hours.
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